package Modules;

import Controll.GuildController;
import Controll.SuperModule;
import net.dv8tion.jda.api.Permission;
import net.dv8tion.jda.api.events.GenericEvent;
import net.dv8tion.jda.api.events.message.guild.GuildMessageReceivedEvent;
import org.json.simple.JSONArray;
import org.json.simple.JSONObject;

import java.util.*;
import java.util.concurrent.TimeUnit;

public class SecretChannel extends SuperModule {

    public static final String COMMAND = "SecretChannel";

    private Map<Long, Long> userInChannel;

    private Long hiddenChannel;
    private int activeTime;
    private boolean pingUser;
    private Set<String> trigger;

    public SecretChannel(GuildController guildController, JSONObject config){
        super(COMMAND, guildController, config);

        if (!config.containsKey("trigger")){
            config.put("trigger", new JSONArray());
            safeConfig(getConfig());
        }

        if (!config.containsKey("hiddenChannel")){
            config.put("hiddenChannel", "123");
            safeConfig(getConfig());
        }

        if (!config.containsKey("pingUser")){
            config.put("pingUser", "false");
            safeConfig(getConfig());
        }

        if (!config.containsKey("activeTime")){
            config.put("activeTime", "30");
            safeConfig(getConfig());
        }

        trigger = new HashSet<>();
        for ( Object o : (JSONArray)config.get("trigger")){
            trigger.add(o.toString());
        }

        hiddenChannel = Long.parseLong(getConfig().get("hiddenChannel").toString());

        activeTime = Integer.parseInt(getConfig().get("activeTime").toString());

        pingUser = Boolean.parseBoolean(getConfig().get("pingUser").toString());


    }

    @Override
    public String getCommand() {
        return COMMAND;
    }

    @Override
    public String getDescription() {
        return "Add user (Temporarily) to a hidden channel if the user mentions a trigger\n" +
                "`addTrigger WORD` add new Trigger\n" +
                "`removeTrigger WORD` remove existing Trigger\n" +
                "`setChannel #CHANNEL` set channel to be shown\n" +
                "`setTime NUMBER` set time channel is shown in seconds\n" +
                "`togglePing` set if user gets a ping";
    }

    @Override
    public void execute(GenericEvent genericEvent) {

        if (genericEvent instanceof GuildMessageReceivedEvent){
            GuildMessageReceivedEvent event = (GuildMessageReceivedEvent)genericEvent;

            if (checkForAdmin(event.getGuild().getMember(event.getAuthor()))) {
                if (checkForCommand(event.getMessage().getContentRaw(), "addTrigger")) {
                    String newTrigger = event.getMessage().getContentRaw()
                            .replaceAll("(?is:" + getGuildController().getPREFIX() + COMMAND + " addTrigger )", "");

                    if (trigger.size() == 0) {
                        trigger.add(newTrigger);

                        JSONArray arr = new JSONArray();
                        arr.add(newTrigger);
                        getConfig().put("trigger", arr);


                    } else {

                        if (trigger.contains(newTrigger)) {
                            event.getChannel().sendMessage("Error: Trigger already exists!").queue(m -> m.delete().queueAfter(1, TimeUnit.MINUTES));
                            return;
                        }

                        trigger.add(newTrigger);

                        JSONArray arr = ((JSONArray) getConfig().get("trigger"));
                        arr.add(newTrigger);
                        getConfig().remove("trigger");
                        getConfig().put("trigger", arr);

                    }
                    safeConfig();

                    event.getChannel().sendMessage("Added trigger `" + newTrigger + "`").queue();

                } else if (checkForCommand(event.getMessage().getContentRaw(), "removeTrigger")) {
                    String delTrigger = event.getMessage().getContentRaw()
                            .replaceAll("(?is:" + getGuildController().getPREFIX() + COMMAND + " removeTrigger )", "");

                    if (!trigger.contains(delTrigger)) {
                        event.getChannel().sendMessage("Error: Trigger does not exists!").queue(m -> m.delete().queueAfter(1, TimeUnit.MINUTES));
                        return;
                    }

                    trigger.remove(delTrigger);

                    ((JSONArray) getConfig().remove("trigger")).add(delTrigger);

                    safeConfig();

                    event.getChannel().sendMessage("Removed trigger `" + delTrigger + "`").queue();
                } else if (checkForCommand(event.getMessage().getContentRaw(), "setChannel")) {

                    if (event.getMessage().getMentionedChannels().size() != 1) {
                        event.getChannel().sendMessage("Error: Please mention a Textchannel!").queue(m -> m.delete().queueAfter(1, TimeUnit.MINUTES));
                        return;
                    }

                    hiddenChannel = event.getMessage().getMentionedChannels().get(0).getIdLong();

                    getConfig().remove("hiddenChannel");
                    getConfig().put("hiddenChannel", hiddenChannel);

                    safeConfig();

                    event.getChannel().sendMessage("Set Hiddenchannel to: `" + hiddenChannel + "` ("
                            + event.getMessage().getMentionedChannels().get(0).getAsMention() + ")").queue();

                } else if (checkForCommand(event.getMessage().getContentRaw(), "setTime")) {

                    if (!event.getMessage().getContentRaw().matches("(?is:" + getGuildController().getPREFIX() + COMMAND + " setTime " + "[0-9]+)")) {
                        event.getChannel().sendMessage("Error: PLease enter a valid number!").queue(m -> m.delete().queueAfter(1, TimeUnit.MINUTES));
                        return;
                    }

                    int newTime = Integer.parseInt(event.getMessage().getContentRaw()
                            .replaceAll("(?is:" + getGuildController().getPREFIX() + COMMAND + " setTime " + ")", ""));

                    activeTime = newTime;

                    getConfig().remove("activeTime");
                    getConfig().put("activeTime", newTime);

                    safeConfig();

                    event.getChannel().sendMessage("Set activeTime to: " + newTime).queue();

                } else if (checkForCommand(event.getMessage().getContentRaw(), "togglePing")) {

                    pingUser = !pingUser;

                    getConfig().remove("pingUser");
                    getConfig().put("pingUser", pingUser);

                    safeConfig();

                    event.getChannel().sendMessage("Toggled pingUser to: " + pingUser).queue();

                }
            }

            if (trigger.size() > 0) {
                StringBuilder sb = new StringBuilder();

                for (String s : trigger)
                    sb.append("|").append(s);

                sb.replace(0, 1, "");

                if (event.getMessage().getContentRaw().matches("(?is:.*(" + sb.toString() + ").*)")) {

                    event.getGuild().getTextChannelById(hiddenChannel).upsertPermissionOverride(event.getMember()).complete()
                            .getManager().setAllow(
                            Permission.MESSAGE_READ,
                            Permission.VIEW_CHANNEL
                    ).queue();

                    if (pingUser) {
                        event.getGuild().getTextChannelById(hiddenChannel)
                                .sendMessage(event.getAuthor().getAsMention()).queue(
                                m -> m.delete().queueAfter(activeTime > 0 ? activeTime : 60, TimeUnit.SECONDS));
                    }

                    if (activeTime > 0) {
                        new Timer().schedule(new TimerTask() {
                            @Override
                            public void run() {
                                event.getGuild().getTextChannelById(hiddenChannel).getPermissionOverride(event.getMember()).delete().queue();
                            }
                        }, TimeUnit.MILLISECONDS.convert(activeTime, TimeUnit.SECONDS));
                    }
                }
            }
        }

    }

    @Override
    public String showSettings() {

        StringBuilder sb = new StringBuilder();

        for (String s : trigger)
            sb.append("|").append("`").append(s).append("`");

        sb.replace(0,1, "");

        return "hidden channel: `" + hiddenChannel + "` (" + getGuildController().getJda().getGuildById(getGuildController().getGUILD_ID()).getTextChannelById(hiddenChannel).getAsMention() + ")\n" +
                "activeTime: `" + activeTime + "`\n" +
                "ping User: `" + pingUser + "` \n" +
                "Trigger: " + sb.toString();
    }
}